Cargo Features

[dependencies]
futures-concurrency = { version = "7.6.2", default-features = false, features = ["std", "alloc"] }
default = std

The std feature is set by default whenever futures-concurrency is added without default-features = false somewhere in the dependency tree.

std default = alloc

Enables std of futures-lite ^1.12.0

alloc std

Enables fixedbitset, slab and smallvec, alloc of futures-lite ^1.12.0

Affects collections::vec, future::future_group, futures-concurrency::concurrent_stream, stream::stream_group, stream_ext::StreamExt.co